KR101016257B1 - 프로세서 및 정보 처리 장치 - Google Patents
프로세서 및 정보 처리 장치 Download PDFInfo
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- KR101016257B1 KR101016257B1 KR1020080114556A KR20080114556A KR101016257B1 KR 101016257 B1 KR101016257 B1 KR 101016257B1 KR 1020080114556 A KR1020080114556 A KR 1020080114556A KR 20080114556 A KR20080114556 A KR 20080114556A KR 101016257 B1 KR101016257 B1 KR 101016257B1
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Abstract
Description
Claims (11)
- 조건부 스토어 명령의 스토어 데이터와 조건 데이터를 저장하는 부동 소수점 레지스터와,상기 부동 소수점 레지스터에 저장된 조건 데이터와 상기 스토어 데이터를 상기 부동 소수점 레지스터의 판독 포트를 이용하여 동시에 독출하고, 독출한 상기 조건 데이터에 기초하여, 상기 조건부 스토어 명령을 실행할지 아닐지를 결정하는 연산부를 구비하는 것을 특징으로 하는 프로세서.
- 제1항에 있어서, 상기 부동 소수점 레지스터의 최상위 비트에 상기 조건 데이터를 저장하는 것을 특징으로 하는 프로세서.
- 제2항에 있어서, 상기 연산부는 2개의 부동 소수점 레지스터의 값을 비교하여, 그 진위의 결과를 조건 데이터로서 부동 소수점 레지스터의 최상위 비트에 저장하는 부동 소수점 비교 연산 명령을 더 실행하는 것을 특징으로 하는 프로세서.
- 제2항에 있어서, 상기 연산부는 복수의 상기 조건 데이터 간의 비트 논리 연산 명령을 더 실행하는 것을 특징으로 하는 프로세서.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 조건부 스토어 명령은, 조건 데이터가 참일 때 메모리에 기록하는 참 조건부 부동 소수점 스토어 명령, 또는 조건 데이터가 거짓일 때 메모리에 기록하는 거짓 조건부 부동 소수점 스토어 명령 중 어느 하나인 것을 특징으로 하는 프로세서.
- 제1항에 있어서, 상기 부동 소수점 레지스터의 즉치(immediate) 필드를 수 비트 시프트하여 즉치 데이터를 생성하고, 그 즉치 데이터를 사용하여 어드레스를 생성하는 어드레스 생성부를 더 구비하는 것을 특징으로 하는 프로세서.
- 제1항에 있어서, 명령을 확정하는 커미트 제어부를 더 구비하고,상기 조건부 스토어 명령이 그 커미트 제어부에 의해 커미트되기 전에, 프로그램 상 후속의 로드 명령이 동일한 메모리 어드레스에 발행된 경우, 스토어 조건이 성립할 때에는 스토어 데이터를 로드 데이터로서 레지스터부에 응답하고, 스토어 조건이 성립하지 않을 때에는 캐시부로부터 로드 데이터를 레지스터에 응답하는 것을 특징으로 하는 프로세서.
- SIMD 구성의 부동 소수점 레지스터를 구비하는 프로세서로서,조건부 스토어 명령의 스토어 데이터와 조건 데이터를 저장하는, 상기 SIMD의 각 요소의 부동 소수점 레지스터와,상기 부동 소수점 레지스터에 저장된 조건 데이터와 상기 스토어 데이터를 상기 부동 소수점 레지스터의 판독 포트를 이용하여 동시에 독출하고, 독출한 상기 조건 데이터에 기초하여, 상기 조건부 스토어 명령을 실행할지 아닐지를 결정하는 연산부를 구비하는 것을 특징으로 하는 프로세서.
- 부동 소수점 레지스터와 연산부를 구비하는 프로세서에서 조건부 스토어 명령을 실행하기 위한 방법으로서,조건부 스토어 명령의 스토어 데이터와 조건 데이터를 상기 부동 소수점 레지스터에 저장하는 단계와,상기 연산부에서, 상기 부동 소수점 레지스터에 저장된 조건 데이터와 상기 스토어 데이터를 상기 부동 소수점 레지스터의 판독 포트를 이용하여 동시에 독출하고, 독출한 상기 조건 데이터에 기초하여, 상기 조건부 스토어 명령을 실행할지 아닐지를 결정하는 단계를 포함하는 것을 특징으로 하는 방법.
- SIMD 구성의 부동 소수점 레지스터와 연산부를 구비하는 프로세서에서 조건부 스토어 명령을 실행하기 위한 방법으로서,조건부 스토어 명령의 스토어 데이터와 조건 데이터를 상기 SIMD의 각 요소의 부동 소수점 레지스터에 저장하는 단계와,상기 연산부에서, 상기 부동 소수점 레지스터에 저장된 조건 데이터와 상기 스토어 데이터를 상기 부동 소수점 레지스터의 판독 포트를 이용하여 동시에 독출하고, 독출한 상기 조건 데이터에 기초하여, 상기 조건부 스토어 명령을 실행할지 아닐지를 결정하는 단계를 포함하는 것을 특징으로 하는 방법.
- 프로세서를 갖는 정보 처리 장치에 있어서,상기 프로세서는,조건부 스토어 명령의 스토어 데이터와 조건 데이터를 저장하는 부동 소수점 레지스터와,상기 부동 소수점 레지스터에 저장된 조건 데이터와 상기 스토어 데이터를 상기 부동 소수점 레지스터의 판독 포트를 이용하여 동시에 독출하고, 독출한 상기 조건 데이터에 기초하여, 상기 조건부 스토어 명령을 실행할지 아닐지를 결정하는 연산부를 구비하는 것을 특징으로 하는 정보 처리 장치.
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JP2008073433A JP5326314B2 (ja) | 2008-03-21 | 2008-03-21 | プロセサおよび情報処理装置 |
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US9195466B2 (en) * | 2012-05-16 | 2015-11-24 | Qualcomm Incorporated | Fusing conditional write instructions having opposite conditions in instruction processing circuits, and related processor systems, methods, and computer-readable media |
US9038042B2 (en) * | 2012-06-29 | 2015-05-19 | Analog Devices, Inc. | Staged loop instructions |
JP6435980B2 (ja) * | 2015-04-27 | 2018-12-12 | 富士通株式会社 | 並列計算機、スレッド再割当判定方法及びスレッド再割当判定プログラム |
CN107301031B (zh) * | 2017-06-15 | 2020-08-04 | 西安微电子技术研究所 | 一种规格化浮点数据筛选电路 |
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KR20090101061A (ko) | 2009-09-24 |
CN101539852A (zh) | 2009-09-23 |
EP2104032A1 (en) | 2009-09-23 |
US20090240927A1 (en) | 2009-09-24 |
US7945766B2 (en) | 2011-05-17 |
JP5326314B2 (ja) | 2013-10-30 |
EP2104032B1 (en) | 2012-01-11 |
CN101539852B (zh) | 2013-01-23 |
JP2009230338A (ja) | 2009-10-08 |
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